96691687 has 4 divisors (see below), whose sum is σ = 97059600. Its totient is φ = 96323776.

The previous prime is 96691681. The next prime is 96691709. The reversal of 96691687 is 78619669.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 96691687 - 2¹⁹ = 96167399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96691681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183562 + ... + 184087.

It is an arithmetic number, because the mean of its divisors is an integer number (24264900).

Almost surely, 2^96691687 is an apocalyptic number.

96691687 is a deficient number, since it is larger than the sum of its proper divisors (367913).

96691687 is a wasteful number, since it uses less digits than its factorization.

96691687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367912.

The product of its digits is 979776, while the sum is 52.

The square root of 96691687 is about 9833.1931232942. The cubic root of 96691687 is about 458.9827663482.

The spelling of 96691687 in words is "ninety-six million, six hundred ninety-one thousand, six hundred eighty-seven".